Maximum Power Tracking Solar Controller Model MPPT 20

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Shanghai
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Min Order Qty:
5 unit
Supply Capability:
150 unit/month

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Product Description:

 

1. Structure of MPPT Maximum Power Tracking Solar Controller Model MPPT 15/ MPPT 30

       The controller is an indispensable part of solar system, this MPPT Maximum power tracking solar controller is remarkable, because it can adjust with intelligence the working voltage of solar panels, so that the solar panels can reach the maximum power spot of the V-A characteristics curve during the work. Compared with the common solar controller, this MPPt Maximum power tracking solar controller can increase the use ratio of the solar panels power by 10-30%.

 

 

2. Main Features of MPPT Maximum Power Tracking Solar Controller Model MPPT 20

       ·   Protection against overcharging of the accumulator

·   Protection against over discharging of the accumulator

·   Protection against reverse discharging of the accumulator to solar panels

·   Overload protection and short circuit protection

 

3. MPPT Maximum Power Tracking Solar Controller Model MPPT 20 Images

Maximum Power Tracking Solar Controller Model MPPT 20

 

4. MPPT Maximum Power Tracking Solar Controller Model MPPT 20 Specification

 

Type

 MPPT20-12/25

MPPT20-24/50

Nominal Voltage

 DC12V

DC24V

Voltage scope available for Max. solar power tracking

 12-25V

24-50V

Max. open circuit voltage for solar energy

 25V

50V

Max. charging current

 20Areferring charging current from accumulator

Max. discharging current

 20A

20A

No load losses

 ≤8mA

≤40mA

Off voltage after full charging

 14V

28V

Off voltage when undervoltage

 10.5V

21V

Starting recovery voltage

 12.6V

25.2V

Efficiency

 95%97%

 

5. FAQ

We have organized several common questions for our clients, which may help you sincerely:

a)     How about your capacity?

 We can produce 300,000 set inverter per year currently, 60,000 set solar energy charge controllers. And the product is sold towards domestic and Europe, Australia and Africa etc.

 

b)     How to guarantee the quality of the products?

The company presses the ISO9000 quality management system control product quantity strictly, the export production all passes the relevant national company check (CE, ROHS), and get high evaluation of the customer.

 

c)     How long can we receive the product after signing Sales Confirmation?

Generally speaking, if there is enough quantity of finished products which can meet the clients’ requirement, we can manage the delivery within three to five working days according to the instruction of the payment terms in the Sales Confirmation; if the products need some time to get ready, we will arrange the delivery as soon as possible after the manufacture.

 

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Q:Solar controller red light flashing
Red light on behalf of the system failure, the specific failure is what depends on the controller manufacturer how to set, the general failure are: undervoltage, overvoltage, overload, short circuit, over temperature and so on.
Q:Solar controller water level display is not correct how to do
Re-adjust the water level to control, choose their own water.
Q:Solar panels for solar panels
100w of the battery plate count down one day also saved the estimated electricity will be able to use the battery on the market are 12v inverter is definitely 12vdc turn 220ac solar controller this thing looks like no, at most, a switch has been controlled whether Output power. The specific needs of the number of A / h battery pack you calculate it yourself
Q:How the solar panels with the controller
Battery status indication: When the battery voltage is in the normal range, the status indicator (2) is green; if the status indicator is green slow flashing; when the battery voltage drops to undervoltage, the status indicator turns orange; when the battery When the voltage continues to decrease to the overdischarge voltage, the status indicator (2) turns red, and the controller will automatically turn off the output to remind the user to replenish the power in time. When the battery voltage returns to the normal operating range, the output enable action will be automatically enabled and the status indicator (2) will turn green;
Q:What is a solar controller?
Solar controller uses high-speed CPU microprocessor and high-precision A / D analog-to-digital converter, is a computer data acquisition and monitoring and control system. It can collect the working data of the PV station in real time, obtain the working information of the PV station at any time, and accumulate the historical data of the PV station in detail, and provide the accurate and reliable evaluation of the reliability of the PV system design and the reliability of the quality of the inspection system Full basis. In addition, the solar controller also has a serial communication data transmission function, can be a number of photovoltaic systems sub-station for centralized management and remote control.
Q:What is the meaning of the DC load above the solar controller?
Lamp or load class is DC DC12V / 24V / 36V / 48V, etc. If you want to AC load AC220V lamps or other, you need to add a DC-AC inverter in the middle.
Q:What is the system voltage of the solar controller?
General solar energy is now used LED lights, because the solar power is limited, with LED more power, the general 3, 4 watts when the general lights a 20 watts of brightness.
Q:Solar controller use
The role of the controller is used to protect the battery from overdischarge. Cloudy charge current is small when there is no boost function
Q:Choose a solar controller which need to have a few conditions
According to your specific application environment, first determine whether to select the charge controller or charge and discharge controller. Two applications of input and output power level, the input power is mainly solar panels, and the controller is basically in accordance with the current to count. For example, 12V system 120 wrench that should be selected at least rated 10A controller. While the actual system current 7A or so is the other security margin.
Q:How the solar controller wiring,
The lid open, there is a row of posts, the above will mark the solenoid valve, the signal line red or yellow or yellow, blue and green, there may be accompanied by tropical, electric heating, the corresponding connected on the line.

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